How severe is CVE-2026-47837?

CVE-2026-47837 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-47837 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47837?

CVE-2026-47837 affects Vmware Spring Cloud Config. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47837?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-47837 published?

CVE-2026-47837 was published on 2026-08-26 and last updated on 2026-09-04.

CVE-2026-47837

CVE-2026-47837 is a medium-severity vulnerability in Vmware Spring Cloud Config with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Vmware Spring Cloud Config
Published: 2026-08-26
Last modified: 2026-09-04

Description

Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated. This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2.8, and through 3.1.14.

Frequently asked questions

What is CVE-2026-47837?: Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated. This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2.8, and through 3.1.14.
How severe is CVE-2026-47837?: CVE-2026-47837 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-47837 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47837?: CVE-2026-47837 affects Vmware Spring Cloud Config. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47837?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-47837 published?: CVE-2026-47837 was published on 2026-08-26 and last updated on 2026-09-04.

References

https://spring.io/security/cve-2026-47837

Affected products (1)

cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*

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